多项选择题
During voice implementation，
which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）
A.allowed codecs
B.native VLAN
C.auxiliary VLAN
D.Cisco Unified Communications Manager IP address
E.RSTP
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相关考题
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多项选择题
A network is deployed using best practices of the enterprise campus network model， including users with desktop computers connected via IP phones. Given that all components are QoS-capable， where are the two optimal locations for trust boundaries to be configured by the network administrator？（）
A.host
B.IP phone
C.access layer switch
D.distribution layer switch
E.core layer switch -
单项选择题
Wireless has been operating correctly in the campus infrastructure. After the wireless controllers are upgraded from LWAPP to CAPWAP， access points no longer boot and operate normally. What is the most likely issue causing this problem？（）
A.VLAN assignments
B.DHCP option 43
C.PoE
D.ACL
E.QoS -
单项选择题
A standalone wireless AP solution is being installed into the campus infrastructure. The access points appear to boot correctly， however， wireless clients are not obtaining correct access. You verify that the local switch configuration connected to the access point appears as the following： interface ethernet 0/1 switchport access vlan 10 switchport mode access spanning-tree portfast mls qos trust dscp What is the most likely issue causing the problem？（）
A.QoS trust should not be configured on a port attached to a standalone AP.
B.QoS trust for switchport mode access should be defined as "cos".
C.switchport mode should be defined as "trunk" with respective QoS.
D.switchport access vlan should be defined as "1".
